Journal of Physical Chemistry A, 2003, V. 107, No. 31, 7 August.

ARTICLES
 
DYNAMICS AND RELAXATION 
 
Photodissociation of Formaldehyde in Rare Gas 
(Xe, Kr, Ar, and Ne) Matrixes
Kari J. Vaskonen and Henrik M. Kunttu
pp 5881 - 5886; 
 
Solvation Dynamics of Coumarin 480 in 
TritonX-100 (TX-100) and Bile Salt Mixed Micelles
Debdeep Chakrabarty, Partha Hazra, and Nilmoni Sarkar
pp 5887 - 5893; 
 
Heavy Atom Effect on the Charge Recombination 
Dynamics of Photogenerated Geminate Ion Pairs
Olivier Nicolet and Eric Vauthey
pp 5894 - 5902;    
 

SPECTROSCOPY, GASEOUS CLUSTERS, AND MOLECULAR BEAMS 
 
Two-Color Pump-Probe Spectroscopies of Two- and Three-Level 
Systems: 2-Dimensional Line Shapes and Solvation Dynamics
Kijeong Kwac and Minhaeng Cho
pp 5903 - 5912; 
 
 
Photochemical Ring-Opening Reaction in 2(1H)-Pyrimidinones: 
A Matrix Isolation Study
Leszek Lapinski, Hanna Rostkowska, Artem Khvorostov, 
Rui Fausto, and Maciej J. Nowak
pp 5913 - 5919; 
 
 
Resonant Two-Photon Ionization Spectroscopy of 
Styrene (Methanol)n Clusters, n = 1-9
H. Mahmoud, I. N. Germanenko, Y. Ibrahim, and M. S. El-Shall
pp 5920 - 5932; 
 
Theoretical Study of Styrene (Methanol)n Clusters, n = 1-9. 
Comparison with Methanol Clusters
M. S. El-Shall, D. Wright, Y. Ibrahim, and H. Mahmoud
pp 5933 - 5940;  
 

KINETICS; ATMOSPHERIC AND ENVIRONMENTAL PHYSICAL CHEMISTRY 
 
Dual Fluorescence of Phenyl and Biphenyl Substituted Pyrene Derivatives
Wilfried Weigel, Wolfgang Rettig, Marina Dekhtyar, 
Claudia Modrakowski, Matthias Beinhoff, and A. Dieter Schluter
pp 5941 - 5947;   
 
 
Ion-Molecule Reactions of Gas-Phase Chromium Oxyanions: CrxOyHz- + H2O
A. K. Gianotto, B. D. M. Hodges, M. T. Benson, 
P. de B. Harrington, A. D. Appelhans, J. E. Olson, and G. S. Groenewold
pp 5948 - 5955;  
 
 
Observations of Water Monomers in Supersaturated NaClO4, 
LiClO4, and Mg(ClO4)2 Droplets Using Raman Spectroscopy
Yun-Hong Zhang and Chak K. Chan
pp 5956 - 5962;   
 
 
Kinetics of the SiH3 + H2O2 and SiH3 + O2 Reactions
Justin P. Meyer and John F. Hershberger
pp 5963 - 5967;  
 
 
Excited States and Intermediate Species of Benzo[e]pyrene 
Photolyzed in Solution and Adsorbed on Surfaces
Silvina Fioressi and Rafael Arce
pp 5968 - 5975;    
 
 
The Formation and Recombination Kinetics of Positively 
Charged Poly(phenylene vinylene) Chains in 
Pulse-Irradiated Dilute Solutions
Ferdinand C. Grozema, Romano J. O. M. Hoofman, 
Luis P. Candeias, Matthijs P. de Haas, 
John M. Warman, and Laurens D. A. Siebbeles
pp 5976 - 5986;  
 
 
Spectroscopy of Hydrothermal Reactions 25: Kinetics 
of the Decarboxylation of Protein Amino Acids and 
the Effect of Side Chains on Hydrothermal Stability
Jun Li and Thomas B. Brill
pp 5987 - 5992;  
 
 
Decarboxylation Mechanism of Amino Acids by 
Density Functional Theory
Jun Li and Thomas B. Brill
pp 5993 - 5997;  
 
 
Reactions of Methyl Viologen Dication (MV2+) 
with H Atoms in Aqueous Solution: Mechanism 
Derived from Pulse Radiolysis Measurements 
and ab Initio MO Calculations
Tomi Nath Das, Tapan K. Ghanty, and Haridas Pal
pp 5998 - 6006;   
 

MOLECULAR STRUCTURE, BONDING, QUANTUM CHEMISTRY, AND GENERAL THEORY 
 
Density Functional Theory Study on Metal 
Bis(trifluoromethylsulfonyl)imides: Electronic 
Structures, Energies, Catalysis, and Predictions
X. Yong Li and Jin Nie
pp 6007 - 6013; 
 
The Joint Use of Catastrophe Theory and Electron 
Localization Function to Characterize Molecular 
Mechanisms. A Density Functional Study of the 
Diels-Alder Reaction between Ethylene and 1,3-Butadiene
Slawomir Berski, Juan Andres, Bernard Silvi, and Luis R. Domingo
pp 6014 - 6024;   
 
 
Conformational Similarities in Isomerization 
Dynamics of Clusters
Ersin Yurtsever, Ahmet Palazolu, and Yaman Arkun
pp 6025 - 6031;   
 
 
Charged Push-Pull Polyenes in Solution: Anomalous 
Solvatochromism and Nonlinear Optical Properties
Damien Laage, Ward H. Thompson, 
Mireille Blanchard-Desce, and James T. Hynes
pp 6032 - 6046;  
 
 Electronic Spectroscopy of the AlSb Molecule: 
 A Theoretical Study
Anjan Chattopadhyay and Kalyan Kumar Das
pp 6047 - 6054;    
 
 
Direct Dynamics Study on the Hydrogen ion 
Reaction N2H4 + H  N2H3 + H2
Qian Shu Li, Xin Zhang, and Shao Wen Zhang
pp 6055 - 6061;   
 
 
Ab Initio Study of the Ground and Excited 
States of Zinc Carbide, ZnC
Andromache Tsouloucha, Ioannis S. K. Kerkines, 
and Aristides Mavridis
pp 6062 - 6072;   
 
 
Understanding the Hydrogen Bond in Terms of the 
Location of the Bond Critical Point and the 
Geometry of the Lone Pairs
Anupama Ranganathan, G. U. Kulkarni, and C. N. R. Rao
pp 6073 - 6081; 
 
 
What Is the Origin of the Contrathermodynamic 
Behavior in Methyl Radical Addition to Alkynes versus Alkenes?
Rodolfo Gomez-Balderas, Michelle L. Coote, 
David J. Henry, Hanns Fischer, and Leo Radom
pp 6082 - 6090; 
 
 
Ab Initio MO Studies on Polysilane Oligomer Radical 
Anions as Model Molecules of Polysilane Radical Anions
Tsukasa Tada and Reiko Yoshimura
pp 6091 - 6098;   
 
 
A Theoretical Evaluation of the pKa for Twisted Amides 
Using Density Functional Theory and Dielectric Continuum Methods
Jon Inaki Mujika, Jose M. Mercero, and Xabier Lopez
pp 6099 - 6107; 
 
1,3-Dipolar Cycloaddition of Nitrones to Free and Pt-Bound 
Nitriles. A Theoretical Study of the Activation 
Effect, Reactivity, and Mechanism
Maxim L. Kuznetsov, Vadim Yu. Kukushkin, 
Andrei I. Dement'ev, and Armando J. L. Pombeiro
pp 6108 - 6120; 

ADDITIONS AND CORRECTIONS 

 
Gas-Phase Chemistry of NHxCly+ Ions. 3. Structure, 
Stability, and Reactivity of Protonated Trichloramine
F. Pepi, A. Ricci, and M. Rosi:
pp 6121 - 6121;